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1 Kilogram |
Negotiable |
Vitamin B12 Cyanocobalamin Cyanocobalamin 68-19-9
Product Description
Product name | Cyanocobalamin(VitaminB12) |
Cas number | 68-19-9 |
Molecular formula | C63H88CoN14O14P |
Appearance | Dark red crystalline or crystalline powder |
Absorbance |
A361/A550 3.15-3.40 A361/A278 1.70-1.90 |
Assay | 96.0%-102.0%(anhydrous substance) |
Loss on drying | ≤12.0% |
Total impurity | ≤3.0% |
Acetone | ≤5000ppm |
Ethanol | ≤5000ppm |
Total aerobic bacteria | ≤1000cfu/g |
Mould and yeasts | ≤100cfu/g |
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